GroupM chairman says media owners need to get on with sharing data

GroupM chairman Irwin Gotleib has urged TV broadcasters to put aside their issues and share audience data or risk viewers shunning ad supported TV in their droves.
"What scares me most", he told an audience at the Future of TV Advertising Forum in London earlier today (30 November), "is the shift of audiences away from advertising supported TV”.
He said that the industry should unite to encourage more subscription services such as Netflix to adopt a hybrid model. Should that happen then it